./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9bb9ebcc-d8ce-4da7-8b4a-ed0d48d112a0/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9bb9ebcc-d8ce-4da7-8b4a-ed0d48d112a0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9bb9ebcc-d8ce-4da7-8b4a-ed0d48d112a0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9bb9ebcc-d8ce-4da7-8b4a-ed0d48d112a0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9bb9ebcc-d8ce-4da7-8b4a-ed0d48d112a0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9bb9ebcc-d8ce-4da7-8b4a-ed0d48d112a0/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0335c6392c59c467837b14da92286fa43b99dfc ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 15:18:35,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 15:18:35,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 15:18:35,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 15:18:35,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 15:18:35,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 15:18:35,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 15:18:35,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 15:18:35,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 15:18:35,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 15:18:35,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 15:18:35,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 15:18:35,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 15:18:35,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 15:18:35,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 15:18:35,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 15:18:35,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 15:18:35,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 15:18:35,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 15:18:35,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 15:18:35,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 15:18:35,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 15:18:35,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 15:18:35,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 15:18:35,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 15:18:35,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 15:18:35,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 15:18:35,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 15:18:35,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 15:18:35,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 15:18:35,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 15:18:35,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 15:18:35,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 15:18:35,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 15:18:35,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 15:18:35,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 15:18:35,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 15:18:35,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 15:18:35,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 15:18:35,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 15:18:35,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 15:18:35,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9bb9ebcc-d8ce-4da7-8b4a-ed0d48d112a0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 15:18:35,245 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 15:18:35,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 15:18:35,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 15:18:35,246 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 15:18:35,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 15:18:35,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 15:18:35,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 15:18:35,247 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 15:18:35,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 15:18:35,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 15:18:35,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 15:18:35,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 15:18:35,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 15:18:35,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 15:18:35,247 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 15:18:35,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 15:18:35,248 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 15:18:35,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 15:18:35,248 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 15:18:35,248 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 15:18:35,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 15:18:35,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 15:18:35,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 15:18:35,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 15:18:35,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 15:18:35,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 15:18:35,249 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 15:18:35,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 15:18:35,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 15:18:35,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9bb9ebcc-d8ce-4da7-8b4a-ed0d48d112a0/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0335c6392c59c467837b14da92286fa43b99dfc [2019-12-01 15:18:35,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 15:18:35,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 15:18:35,360 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 15:18:35,361 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 15:18:35,361 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 15:18:35,362 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9bb9ebcc-d8ce-4da7-8b4a-ed0d48d112a0/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2019-12-01 15:18:35,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9bb9ebcc-d8ce-4da7-8b4a-ed0d48d112a0/bin/ukojak/data/46395c4ca/dceb241e7338491cb6ce66585cd524b8/FLAG5462370f6 [2019-12-01 15:18:35,886 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 15:18:35,886 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9bb9ebcc-d8ce-4da7-8b4a-ed0d48d112a0/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2019-12-01 15:18:35,894 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9bb9ebcc-d8ce-4da7-8b4a-ed0d48d112a0/bin/ukojak/data/46395c4ca/dceb241e7338491cb6ce66585cd524b8/FLAG5462370f6 [2019-12-01 15:18:35,903 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9bb9ebcc-d8ce-4da7-8b4a-ed0d48d112a0/bin/ukojak/data/46395c4ca/dceb241e7338491cb6ce66585cd524b8 [2019-12-01 15:18:35,905 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 15:18:35,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 15:18:35,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 15:18:35,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 15:18:35,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 15:18:35,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:18:35" (1/1) ... [2019-12-01 15:18:35,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:35, skipping insertion in model container [2019-12-01 15:18:35,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:18:35" (1/1) ... [2019-12-01 15:18:35,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 15:18:35,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 15:18:36,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 15:18:36,150 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 15:18:36,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 15:18:36,217 INFO L208 MainTranslator]: Completed translation [2019-12-01 15:18:36,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:36 WrapperNode [2019-12-01 15:18:36,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 15:18:36,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 15:18:36,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 15:18:36,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 15:18:36,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:36" (1/1) ... [2019-12-01 15:18:36,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:36" (1/1) ... [2019-12-01 15:18:36,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 15:18:36,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 15:18:36,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 15:18:36,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 15:18:36,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:36" (1/1) ... [2019-12-01 15:18:36,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:36" (1/1) ... [2019-12-01 15:18:36,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:36" (1/1) ... [2019-12-01 15:18:36,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:36" (1/1) ... [2019-12-01 15:18:36,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:36" (1/1) ... [2019-12-01 15:18:36,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:36" (1/1) ... [2019-12-01 15:18:36,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:36" (1/1) ... [2019-12-01 15:18:36,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 15:18:36,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 15:18:36,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 15:18:36,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 15:18:36,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9bb9ebcc-d8ce-4da7-8b4a-ed0d48d112a0/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 15:18:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 15:18:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 15:18:36,325 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 15:18:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 15:18:36,326 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 15:18:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 15:18:36,326 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 15:18:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 15:18:36,326 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 15:18:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-12-01 15:18:36,327 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-12-01 15:18:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 15:18:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 15:18:36,327 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 15:18:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 15:18:36,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 15:18:36,830 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 15:18:36,830 INFO L287 CfgBuilder]: Removed 38 assume(true) statements. [2019-12-01 15:18:36,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:18:36 BoogieIcfgContainer [2019-12-01 15:18:36,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 15:18:36,832 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 15:18:36,832 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 15:18:36,841 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 15:18:36,841 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:18:36" (1/1) ... [2019-12-01 15:18:36,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 15:18:36,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:36,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2019-12-01 15:18:36,876 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2019-12-01 15:18:36,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 15:18:36,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:37,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:18:37,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:37,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2019-12-01 15:18:37,058 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2019-12-01 15:18:37,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 15:18:37,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:37,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:18:37,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:37,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2019-12-01 15:18:37,133 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2019-12-01 15:18:37,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 15:18:37,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:37,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:18:37,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:37,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2019-12-01 15:18:37,242 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2019-12-01 15:18:37,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 15:18:37,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:37,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:18:37,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:37,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 89 transitions. [2019-12-01 15:18:37,446 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2019-12-01 15:18:37,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 15:18:37,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:37,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:18:37,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:37,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2019-12-01 15:18:37,492 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2019-12-01 15:18:37,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 15:18:37,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:18:37,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:37,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 91 transitions. [2019-12-01 15:18:37,529 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2019-12-01 15:18:37,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 15:18:37,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:37,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:18:38,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:38,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 79 states and 125 transitions. [2019-12-01 15:18:38,013 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 125 transitions. [2019-12-01 15:18:38,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 15:18:38,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:38,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:18:38,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:38,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 88 states and 146 transitions. [2019-12-01 15:18:38,425 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 146 transitions. [2019-12-01 15:18:38,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 15:18:38,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:38,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:18:38,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 92 states and 156 transitions. [2019-12-01 15:18:38,632 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 156 transitions. [2019-12-01 15:18:38,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 15:18:38,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:38,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:18:38,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:38,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 93 states and 157 transitions. [2019-12-01 15:18:38,661 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 157 transitions. [2019-12-01 15:18:38,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 15:18:38,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:38,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:18:38,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:38,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 100 states and 166 transitions. [2019-12-01 15:18:38,796 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2019-12-01 15:18:38,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 15:18:38,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:38,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:18:38,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:38,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 101 states and 167 transitions. [2019-12-01 15:18:38,834 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2019-12-01 15:18:38,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-01 15:18:38,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:38,885 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:18:39,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:39,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 108 states and 184 transitions. [2019-12-01 15:18:39,077 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2019-12-01 15:18:39,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-01 15:18:39,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:39,099 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:18:39,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:39,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 109 states and 185 transitions. [2019-12-01 15:18:39,112 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 185 transitions. [2019-12-01 15:18:39,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 15:18:39,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:39,133 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:18:39,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:39,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 110 states and 188 transitions. [2019-12-01 15:18:39,242 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 188 transitions. [2019-12-01 15:18:39,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 15:18:39,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:39,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:18:39,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:39,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 111 states and 191 transitions. [2019-12-01 15:18:39,277 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 191 transitions. [2019-12-01 15:18:39,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-01 15:18:39,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:39,299 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:18:39,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:39,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 114 states and 198 transitions. [2019-12-01 15:18:39,490 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 198 transitions. [2019-12-01 15:18:39,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 15:18:39,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:39,511 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:18:39,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:39,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 119 states and 207 transitions. [2019-12-01 15:18:39,653 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 207 transitions. [2019-12-01 15:18:39,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-01 15:18:39,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:39,675 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:18:39,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:39,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 120 states and 207 transitions. [2019-12-01 15:18:39,684 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 207 transitions. [2019-12-01 15:18:39,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-01 15:18:39,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:39,703 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 15:18:39,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:39,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 122 states and 208 transitions. [2019-12-01 15:18:39,826 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2019-12-01 15:18:39,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 15:18:39,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:39,890 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 15:18:40,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:40,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 134 states and 248 transitions. [2019-12-01 15:18:40,443 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 248 transitions. [2019-12-01 15:18:40,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 15:18:40,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:40,466 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 15:18:40,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:40,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 138 states and 255 transitions. [2019-12-01 15:18:40,834 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 255 transitions. [2019-12-01 15:18:40,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-01 15:18:40,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:18:42,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:42,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 146 states and 277 transitions. [2019-12-01 15:18:42,420 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 277 transitions. [2019-12-01 15:18:42,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 15:18:42,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:42,439 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 15:18:42,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:42,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 147 states and 278 transitions. [2019-12-01 15:18:42,449 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 278 transitions. [2019-12-01 15:18:42,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 15:18:42,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:42,467 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 15:18:42,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:42,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 148 states and 279 transitions. [2019-12-01 15:18:42,477 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 279 transitions. [2019-12-01 15:18:42,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 15:18:42,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:42,496 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 15:18:42,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:42,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 149 states and 276 transitions. [2019-12-01 15:18:42,704 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 276 transitions. [2019-12-01 15:18:42,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 15:18:42,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:42,729 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 15:18:43,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:43,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 152 states and 276 transitions. [2019-12-01 15:18:43,206 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 276 transitions. [2019-12-01 15:18:43,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 15:18:43,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:43,223 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 15:18:43,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:43,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 154 states and 278 transitions. [2019-12-01 15:18:43,411 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 278 transitions. [2019-12-01 15:18:43,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 15:18:43,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:43,433 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 15:18:43,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:43,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 125 states and 212 transitions. [2019-12-01 15:18:43,611 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 212 transitions. [2019-12-01 15:18:43,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 15:18:43,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:43,629 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 15:18:43,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:43,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 130 states and 219 transitions. [2019-12-01 15:18:43,653 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 219 transitions. [2019-12-01 15:18:43,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 15:18:43,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:43,673 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 15:18:43,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:43,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 118 states and 195 transitions. [2019-12-01 15:18:43,687 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2019-12-01 15:18:43,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 15:18:43,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:43,702 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 15:18:43,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:43,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 116 states and 191 transitions. [2019-12-01 15:18:43,718 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2019-12-01 15:18:43,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 15:18:43,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:18:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:18:43,732 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 15:18:43,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:18:43,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 70 states and 105 transitions. [2019-12-01 15:18:43,748 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 105 transitions. [2019-12-01 15:18:43,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 15:18:43,749 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2019-12-01 15:18:43,755 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 15:18:43,944 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:18:43,948 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:18:43,948 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:18:43,948 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-12-01 15:18:43,951 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:18:43,951 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:18:43,951 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:18:43,951 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:18:43,951 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-12-01 15:18:43,952 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:18:43,952 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:18:43,952 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:18:43,952 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-12-01 15:18:43,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:18:43 ImpRootNode [2019-12-01 15:18:43,953 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 15:18:43,954 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 15:18:43,954 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 15:18:43,954 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 15:18:43,954 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:18:36" (3/4) ... [2019-12-01 15:18:43,957 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 15:18:43,960 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-12-01 15:18:43,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-12-01 15:18:43,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-01 15:18:43,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-01 15:18:43,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-01 15:18:43,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-01 15:18:43,966 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2019-12-01 15:18:43,966 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-01 15:18:43,966 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 15:18:43,967 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 15:18:43,967 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 15:18:43,967 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 15:18:43,968 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 15:18:43,987 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2019-12-01 15:18:43,988 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) [2019-12-01 15:18:44,015 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9bb9ebcc-d8ce-4da7-8b4a-ed0d48d112a0/bin/ukojak/witness.graphml [2019-12-01 15:18:44,015 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 15:18:44,017 INFO L168 Benchmark]: Toolchain (without parser) took 8110.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.9 MB). Free memory was 943.6 MB in the beginning and 817.5 MB in the end (delta: 126.1 MB). Peak memory consumption was 327.9 MB. Max. memory is 11.5 GB. [2019-12-01 15:18:44,017 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 15:18:44,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-01 15:18:44,017 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 15:18:44,017 INFO L168 Benchmark]: Boogie Preprocessor took 22.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 15:18:44,018 INFO L168 Benchmark]: RCFGBuilder took 553.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 11.5 GB. [2019-12-01 15:18:44,018 INFO L168 Benchmark]: CodeCheck took 7121.32 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 93.3 MB). Free memory was 1.0 GB in the beginning and 827.0 MB in the end (delta: 193.1 MB). Peak memory consumption was 286.5 MB. Max. memory is 11.5 GB. [2019-12-01 15:18:44,018 INFO L168 Benchmark]: Witness Printer took 61.58 ms. Allocated memory is still 1.2 GB. Free memory was 827.0 MB in the beginning and 817.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2019-12-01 15:18:44,019 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 50 locations, 1 error locations. Result: SAFE, OverallTime: 6.8s, OverallIterations: 34, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -187110068 SDtfs, 2067084060 SDslu, 646059020 SDs, 0 SdLazy, 1747644700 SolverSat, 992757036 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10421 GetRequests, 10097 SyntacticMatches, 140 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14048 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1017 NumberOfCodeBlocks, 1017 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 984 ConstructedInterpolants, 0 QuantifiedInterpolants, 75465 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 25 PerfectInterpolantSequences, 254/284 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: ((tmp == systemActive && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 553.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 11.5 GB. * CodeCheck took 7121.32 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 93.3 MB). Free memory was 1.0 GB in the beginning and 827.0 MB in the end (delta: 193.1 MB). Peak memory consumption was 286.5 MB. Max. memory is 11.5 GB. * Witness Printer took 61.58 ms. Allocated memory is still 1.2 GB. Free memory was 827.0 MB in the beginning and 817.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...